update glossary

content/zh/docs/reference/glossary/container-env-variables.md

@@ -1,10 +1,10 @@
 ---
-title: 容器环境变量
+title: Container Environment Variables（容器环境变量）
 id: container-env-variables
 date: 2018-04-12
 full_link: /zh/docs/concepts/containers/container-environment/
 short_description: >
-  容器环境变量提供了运行容器化应用所必须的一些重要信息。
+  容器环境变量提供了name=value形式的、运行容器化应用所必须的一些重要信息。
 
 aka: 
 tags:
@@ -16,7 +16,7 @@ tags:
 title: Container Environment Variables
 id: container-env-variables
 date: 2018-04-12
-full_link: /zh/docs/concepts/containers/container-environment/
+full_link: /docs/concepts/containers/container-environment/
 short_description: >
   Container environment variables are name=value pairs that provide useful information into containers running in a Pod.
 
@@ -27,14 +27,14 @@ tags:
 -->
 
 <!--
- Container environment variables are name=value pairs that provide useful information into containers running in a Pod.
+ Container environment variables are name=value pairs that provide useful information into containers running in a {{< glossary_tooltip text="pod" term_id="pod" >}}
 -->
 
-  容器环境变量提供了运行容器化应用所必须的一些重要信息。
+  容器环境变量提供了name=value形式的、在{{< glossary_tooltip text="pod" term_id="pod" >}}中运行的容器所必须的一些重要信息。
   
 <!--more-->
 <!--
-Container environment variables provide information that is required by the running containerized applications along with information about important resources to the {{< glossary_tooltip text="Containers" term_id="container" >}}. For example, file system details, information about the container itself, and other cluster resources such as service endpoints.
+Container environment variables provide information that is required by the running containerized applications along with information about important resources to the {{< glossary_tooltip text="containers" term_id="container" >}}. For example, file system details, information about the container itself, and other cluster resources such as service endpoints.
 -->
 
   容器环境变量为运行中的容器化应用提供必要的信息，同时还提供与 {{< glossary_tooltip text="容器" term_id="container" >}} 重要资源相关的其他信息，例如：文件系统信息、容器自身的信息以及其他像服务端点（Service endpoints）这样的集群资源信息。